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Tarabya Sewage Tunnel
Turkey, Istanbul
2000 – 2003

A sewage tunnel was constructed between Sariyer and Baltaliman, along the Bosporus coast on the European side of Istanbul, to dam the contamination of seawater on the Bosporus.

Work commenced with a Double Shield TBM (S-166) in July 2000. With a diameter of 2,870mm, the TBM tunneled through slightly less than 9.5 kilometers of limestone, sandstone, and silt. Tunnelling ended in March 2003 when the machine entered the target shaft.

Data Sheet

Country, Location

Turkey, Istanbul

Year

2000 – 2003

Application

Sewage

Geology

Rock
Limestone, sandstone, silt

Tunnelling length

9,333 m

Machine Data

1x Double Shield TBM:
Diameter: 2,860 mm
Lining method: Segmental lining
Cutterhead power: 560 kW
Torque: 597 kNm

Your contact person Contact us

Jack Brockway President and CEO Herrenknecht Tunnelling Systems USA Inc.
Gerhard Goisser COO Herrenknecht Tunnelling Systems USA, Inc.